How earnings reaction history can be useful
[1] The analysis is based on post-earnings stock behavior in the last 5 years
[2] Stocks that have high earnings beat percentage (% instances with positive 1D return) and favorable positive median returns compared to negative median returns can be useful to trade prior to earnings
[3] Stocks with high degree of correlation between 1D and 5D/30D returns can be useful to trade after the earnings
[4] To reduce risk, it is preferable to focus on stocks that pass financial quality checks

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